[llvm] [RISCV][GISel] Support G_PTRTOINT and G_INTTOPTR (PR #69542)

[Craig Topper via llvm-commits]

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@@ -0,0 +1,133 @@
+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+# RUN: llc -mtriple=riscv32 -run-pass=legalizer -verify-machineinstrs %s -o - | FileCheck %s
+
+---
+name:            p0_s32
+body:             |
+  bb.0:
+    liveins: $x10
+
+    ; CHECK-LABEL: name: p0_s32
+    ; CHECK: liveins: $x10
+    ; CHECK-NEXT: {{  $}}
+    ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $x10
+    ; CHECK-NEXT: [[INTTOPTR:%[0-9]+]]:_(p0) = G_INTTOPTR [[COPY]](s32)
+    ; CHECK-NEXT: $x10 = COPY [[INTTOPTR]](p0)
+    ; CHECK-NEXT: PseudoRET implicit $x10
+    %0:_(s32) = COPY $x10
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topperc wrote:

Yes. It means hasn't been assigned a register bank yet.

https://github.com/llvm/llvm-project/pull/69542